kurec#

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace CtoF
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();

        }
        private void button1_Click(object sender, EventArgs e)
        {

            if (comboBox1.Text == "feet" && comboBox2.Text == "feet")
            {
                double feet = Double.Parse(textBox1.Text);
                feet = feet * 1;
                textBox2.Text = feet.ToString();
            }
            else if (comboBox1.Text == "feet" && comboBox2.Text == "yard")
            {
                double feet = Double.Parse(textBox1.Text);
                double yard = feet * 0.3333;
                textBox2.Text = yard.ToString();
            }


        }
        private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (comboBox1.Text != "")
            {
                button1_Click(sender, e);

            }
        }
        private void comboBox2_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (comboBox2.Text != "")
            {
                button1_Click(sender, e);

            }
        }

        private void textBox2_TextChanged(object sender, EventArgs e)
        {

        }

        private void button2_Click(object sender, EventArgs e)
        {
            Close();
        }

        private void button3_Click(object sender, EventArgs e)
        {
            textBox1.Clear();
            textBox2.Clear();
            comboBox1.Text = "";
            comboBox2.Text = "";
        }






    }
}